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killer application

British  

noun

  1. a highly innovative, very powerful, or extremely useful computer application; esp one sufficiently important as to justify purchase of the equipment or software

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Example Sentences

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That amount of chips isn’t sufficient to train advanced, large-scale AI models, but it can still be useful for conducting research and developing powerful applications.

From The Wall Street Journal • Nov. 12, 2025

These powerful applications provide a virtual fire hose of real-time information, including location and address history, cross-referencing usernames, and fingerprinting a user based on writing style.

From Slate • Feb. 5, 2025

More speed means more powerful applications and more functionality from mobile devices.

From Slate • Jul. 29, 2020

In 1982 the legendary theoretical physicist Richard Feynman suggested that one of the most powerful applications of quantum computers would be simulating nature itself: atoms, molecules and materials.

From Scientific American • Sep. 21, 2018

As soon as it was settled that a Congress should assemble with this object, at Verona, M. de Châteaubriand made powerful applications, directly and indirectly, to M. de Montmorency and M. de Villèle, to be included in the mission.

From Memoirs To Illustrate The History Of My Time Volume 1 by Cole, John William

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